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(312540) 2009ER21  ▹ 
ORBITAL INFORMATION
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.26127 1.714e-08 au
e 0.150702 5.007e-08
i 23.781 7.007e-06 deg
Ω 307.936 1.268e-05 deg
ω 298.774 3.787e-05 deg
M 98.653 4.131e-05 deg
Other useful info
Absolute Magnitude (H)    16.5 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9205 au
Aphelion 2.602 au
Asc. node-Earth separation 1.04559 au
Desc. node-Earth separation 1.39838 au
Earth MOID 0.98326 au
Orbital period 1242.01 days
Date of orbit computation  feb 22 02:56

 

Get the orbital details, including covariance and correlation
Near middle of observational arc (ASCII file) Epoch 58424.7 MJD
Near present day (ASCII file) Epoch 60400.0 MJD

 

Note: The elements are given with reduced precision in order to be more readable. For full precision please use the machine readable ASCII files, which contain equinoctial (not keplerian) elements and are in a format suitable for OrbFit input. Also refer to the discussion in the FAQ.